Audio line in device missing

My computer has 2 inputs, a mic input and a line in input. When I go into the control panel/recording only the Realtech mic is listed. There is no icon for the line in. I connected a cassette deck to the line in jack but there is no sound. How do I get the line in device back?

I've been googling on "Pavillion 23 touch screen". I don't see that model sporting any "line in" port.
Are you sure that's a line in input or the headphone input?
Try to connect a headphone to it and see if sound come out of it.
Say "Thanks" by clicking the Kudos Star in the post that helped you.
Please mark the post that solves your problem as "Accepted Solution"
(Although I am employed by HP, I am speaking for myself and not for HP)

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Premiere Pro CC & New Mac Pro - Audio Line Out Issue

I'm having a few issues with the audio line out on the new Mac Pro. For some reason, Line Out locks into Premiere Pro. When I switch programs, the audio line out device stays locked to Premiere Pro and the only way to get other programs to be able to output audio when Premiere Pro is not current application, is to go into System Preferences > Sound and click onto an alternative output and then click back onto Line Out.
Thanks,
Jon

Thanks.

Audio driver error, code 10 error & Media device missing Error in Presario C772TU

Hello Hi to all,
I am Manikandan.D working in BOSCH India and new user for this forum.
I am having presario C7712TU model laptop, recently i reinstalled my Xp OS service pack 2.
after that i reinstalled all drivers, but it showing some error in audio device driver.
the error code is 10 and it is telling "media device missing"
I have installed UAA driver + conexant HD audio driver
Moreover i couldnt find any wireless LAN icon in network connection tab.
could any body help me..Since i am in Germany..Now helpless!
it is big trouble for me!!!
Many thanks in advance to all!

Dear Daniel,
Thank you very much for your reply and effort, help!
Yesterday i have installed Atheros driver...Now my wifi also turned on without any problem.
I think you doing great job for all the people. keep the same spirit and continue the support!
this has to be appreciated! why because some people they will break the head for the system problem.
you are giving solution for the headache not for the system!!!
anyways now my problem is solved thanks...!
if possible send me your mail id to the below address.
<text deleted for privacy>
i will keep in touch with you!
Message Edited by WendyM on 10-21-2009 07:04 AM

Elitebook 2540p Motherboard changed. Integrated motherboard IDT audio device missing in windows 7.

Hi,
Old situation:
(I recently changed motherboard for my computer Elitebook 2540p. When i installed windows 7 to my computer the computer doesn't list any audio devices in device manager page. I've checked bios for any faulty settings and they are all set right. Theres no yellow marks in device list either and all drivers seems to be installed.)
New situation:
Installed windows 7 again and computer found / installed audio devices normally. I tested computer for hours to play audio from it and everything worked fine. I restarted computer several times / re installed battery to the computer. On one restart the computers audio quick mute button below the screen appeared to be orange and the sound speaker icon in windows was marked as X. I check device list again from device manager and there was no audio devices listed (No sound devices at all). After that i restarted computer and before the computer started downloadin windows i pressed the mute button and it turned blue. I then went to windows and sound devices / sound was working again.
Old situation:
I have motherboard integrated IDT audio device.
When i try to install audio drivers from hp site for 2540p i get "Your system does not meet the minimum requirements for this update." And the device manager doesnt list any IDT audio devices.
I then installed xp and the computer found IDT audio device normally and the sounds are working correct.
New situation:
After i did new windows 7 install and all my audio drivers installed / devices showed in device list / audio worked i downloaded audio drivers from HP driver site and installed them to the computer.
Audio problems has not been occured again after my HP screen mute button turned to orange / Windows sound speaker was marked as X / Computer didn´t find any audio devices.
Currently waiting if the problem occurs again and trying to think what would cause this ( Hardware problem or software)? And how to fix it permanently.
Any help for this problem?
BIOS is updated to newest version from HP driver download center.
All windows drivers are installed.
Motherboard info: Product Number VB841AV
Product Model BU RCTO i7-640LM fMdm 2540p
598762-001 MB SYS W/PROC CORE2 DUO 2.13 GHZ

Hi Jarppi,
Welcome to the HP Support Forums! To get your issue more exposure I would suggest posting in the commercial forums since this is a commercial product. You can do this at http://h30499.www3.hp.com/hpeb/
I hope this helps!
HevnLgh
I work on behalf of HP
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" to the left of the reply button to say “Thanks” for helping!

W520 audio line in / line out

Whenever i connect a 3.5mm cable with the line in/out it gets interpreted as a line out (headphone) cable. The line in gets displayed as not connected. Is there any way of switching the interpretation? I don"t need line in + out simultaneously, but i"d really like to use the line in as well

Does any one know how to setup or switch Audio line-in port in "W520 conexant 20672 in Windowns 7 64 bit"?
Does W520 Microphone jack support 3.5 mm audio in from iPod or any other sound device.
I have Mac book pro, they can do switch between Internal Microphone to Audio Line in.
How come this expensive W520 laptop can't do this?
Lenovo service group people doesn't know how to do it. Please help fix this problem that very appreciated.

Connecting to audio line out freezes QuickTime!

Today for the first time I tried plugging my Apple speakers into the line out socket of my new Mac Pro instead of the headphone socket, only to discover that this prevented any QuickTime files from playing. It also caused FCPX to freeze up. Has anyone else experienced this strange phenomenon?
This was after installing the latest Yosemite update, but I cannot say whether this made any difference as I did not try this socket previously.

The Mac Pro (Late 2013) has two distinct audio ports. Audio devices you connect to the port will appear in System Preferences > Sound > Output.
Audio out: The left audio port with a speaker icon is a 1/8" stereo minijack for audio line out. It can use analog audio and digital S/PDIF fibre optic cables. Note that this port does not support headsets or microphones.
Headphone port: The right audio port with a headset icon is a 1/8" stereo minijack for headphones. When you plug in headphones to this port, sound is redirected from the internal speakers to the headphones. If the headset contains a microphone, it will appear in System Preferences > Sound > Input.
As with handling audio processing errors on a per-application basis, you can try toggling some audio format and input/output device settings in the Sound panel of System Preferences, or using the Audio MIDI Setup utility that is in your Applications > Utilities folder.
If this does not work, then you may need to reset the audio daemon, which can be done by rebooting your system; however, this may not be desired if you are in the middle of a workflow and would prefer to keep your system operating. In these cases, you can manually reset the audio daemon, by simply forcing it to quit. This can be done by opening the Terminal utility and running the following command: sudo killall coreaudiod

Pls help: How to get MIC/LINE IN device plug IN event

Dear All,
I wants to do something(say capture audio) whenever the user plugs the MIC/LINE IN device in to the port. Is there any way to capture that event same way event identification for PLUG the MIC/LINE IN device out... Please help me on this..
Advance Thanks
Message was edited by:
rsayyappan

you correctly used TO_DATE to convert a date string to a date value. for display, you can use TO_CHAR to convert the date value to a character value, giving whatever output format you desire
select e, dump(e), to_char(e,'fmMonth DDth, YYYY HH24:MI:SS AM') from
E
DUMP(E)
TO_CHAR(E,'FMMONTHDDTH,YYYYHH24:
31-MAY-07
Typ=12 Len=7: 120,107,5,31,21,10,37
May 31ST, 2007 20:9:36 PM
1 row selected.

HT1596 macbook Pro 15" mountain lion does't have any Audio Line In/Out.

i'm macbook Pro Retina display 15" user. i realised that this macbook does't have any Audio Line In/Out. I really need this to record audio direct from instrument to GarageBand. Any other way to do this?

Maybe the music pros will pop in soon (late night GarageBand sessions and all). From what I've read, most of the musical types around here use some sort of Firewire devices for audio in/out so you'd at the least need a Thunderbolt>Firewire adapter.
You might want to take your question to the GarageBand forum - https://discussions.apple.com/community/ilife/garageband - while a number of you musical types use MBPs, I would bet that you'd get more answers to your query in that forum.
Good luck,
Clinton

Why are my Airplay devices missing from the desktop Airplay menu bar?

From my desktop, all devices are visible in iTunes and when I option-click volume. All devices are visible from my IOS devcies. But most devices are missing under the Airplay menu at top of my desktop. The only devices visible are Apple TV. Thus, I cannot select multiple Airplay devices to play at once from my desktop, but am confined to selecting a single device through the option-click volume menu.
Thanks all.

Play audio from my iMac to multiple airplay devices (speakers). I can do so through iTunes, but not outside of iTunes. For example, I cannot stream audio to multiple devices from a browser. Perhaps I am looking at the wrong menu. Thanks for inquiring.
This thread (https://discussions.apple.com/message/21771160#21771160) seems to suggest in can only be done through iTunes.

Question about Audio line-in/optical in/Audio out/optical out

I have a late 2009 27" iMac (v3.06 GHz Intel Core 2 Duo). I note that on Apple's description of the rear ports, what I thought were simply headphone (Audio Out) and microphone (Audio In) jacks are described as:
1. Headphone/optical digital [S/PDIF] audio out:
"Line/Headphone output
"The headphone output is automatically selected for audio output if no external S/PDIF optical digital output device is detected. The headphone output supports a stereo data stream at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. The headphone output volume can be adjusted from 0.0 dB to -64 dB..."
"The headphone output is automatically selected for audio output if no external S/PDIF optical digital output device is detected. The headphone output supports a stereo data stream at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. The headphone output volume can be adjusted from 0.0 dB to -64 dB."
and
2. Audio line-in/optical in:
"Line input
"The analog line input operates independently from all other audio input ports and is always available. The line input supports recording at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. Audio recorded from the line input is presented as a stereo data stream. You can adjust the line input gain from -16 dB to +30 dB..."
"The digital audio input has the following electrical characteristics (nominal specifications), based on input of a 1 kHz sine wave at 0 dBFS input level, 24-bit sample depth, and 44.1 kHz sample rate (unless otherwise specified below):
FSI – input sample rates: 44.1 kHz, 48 kHz, or 96 kHz
Bits per sample: 16, 20, or 24
Signal-to-noise ratio (SNR): >130 dB
Total harmonic distortion + noise (THD+N): <-130 dB (0.0003%)
Sound output/digital audio output port"
While, as an Olde School audiophile guy (62, and I still have vinyl!), I generally understand the gist of all this, I'm not at all hip to what S/PDIF optical digital output and/or digital audio input can do for me. So my questions are:
1. Can somebody please wise me up to the usage(s) of these optical inputs and outputs on the iMac?
2. The Apple description says,under "Line/Headphone output":
"PCM: 16, 20, or 24 bits per sample at sample rates of 44.1 kHz, 48 kHz, or 96 kHz
AC-3: 16 bits per sample at sample rates of 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, or 192 kHz"
and under "Line input
"The analog line input operates independently from all other audio input ports and is always available. The line input supports recording at bit depths of 16, 20, or 24 bits per sample and at sample rates of 44.1 kHz, 48 kHz, or 96 kHz. Audio recorded from the line input is presented as a stereo data stream. You can adjust the line input gain from -16 dB to +30 dB."
How -- where -- do I adjust these bit depth and sample rates?
Thanks for your help!
Bart

Thanks for the info. Turns out there's an even easier way to do it than using the "Audio Midi Setup": through the prefs in the latest (and probably some previous) version of VLC, which is currently Version 1.0.2 Goldeneye (Intel 64bit).
Now if we could only get full native resolution (or at least 1080p) HDMI input into the Mini-DPs of our 2560 x 1440-capable 27" iMacs and actually have it display something WAY better than 720p (half the resolution of which the 27" iMac is capable) to which Apple limited it, without having to buy a third-party $270.00 HDMI-to Mini-DPP converter and scaler. Call me crazy, but it seems kinda silly to have to pay another $300 to buy a device that will scale the 27" iMac's resolution back up to a measly 1080p, let alone its native 2560 x 1440. But, as the
As a side note, can anyone tell me -- perhaps the elusive and chimerical, but omniscient and omnipotent "communityhosts" of Apple.com -- why, in my original post in this thread, the phrase "1. Headphone/optical digital S/PDIF audio out" had the acronym "S/PDIF" stricken through, like it was a particularly egregious Anglo-Saxonism? Wikipedia defines the acronym thus: "S/PDIF is a data link layer protocol and a set of physical layer specifications for carrying digital audio signals between devices and components over either optical or electrical cable. The name stands for Sony/Philips Digital Interconnect Format."
If I have inadvertently broken another arcane, abstruse, and/or inscrutable canon of the rules (http://discussions.apple.com/help.jspa) governing what may or not be asked or said on these avowedly "user-driven" discussions, allow me to beg for forgiveness beforehand, pleading ignorance, and ask that Apple's "community hosts" or administrators would expand upon and make very clear, in their "Apple Discussions Terms of Use," a comprehensive list of terms, subjects, lines of discussion, references to certain items, products, people, policies, etc. that are simply disallowed in the forum.
It is extremely depressing and frustrating to spend however long it takes -- and it takes ME a long time, as I have a 60-year-ingrained tendency towards verbosity -- to ask and post a question or message, only to have the message never even posted to the forum, but, without any sort of consultation with me so that I may learn from, and correct, my errors, uncaringly consigned to the illimitable void by hands to whom there is no appeal or orison.
It seems unfair.

Audio line-out voltage

I am looking for official Apple information on the voltage specification for the audio lines on the dock connector (at the bottom of the device). I get nothing when I do a site search. Does anyone have the official word on this?
Message was edited by: AlPerth

Chris CA. If you had responded "Green-cheese", that would have been just as non-responsive as saying "line-level" when I asked for a voltage specification. In my ignorant youth, I too once knew that "line-level" meant 1 vp-p. However, the more I learn, the less I "know". For example, I have found that various manufacturers' "line-level" specification can range from 0.5 vp-p to 2.5 vp-p and beyond. Professional audio gear seems to follow an entirely different set of specifications.
I posted here seeking information. I AM an Apple Developer Connection member. I DID send email to [email protected] After 5 days, no response.
Your response does not make clear if 1 v peak-to-peak is what you "know" or if that is the official Apple specification.
Message was edited by: AlPerth

Audio Line In - Creative SB Aud

I recently added a Pinnacle Studio AV/DV board to do video editing. Instructions say to use line input on sound card. I get video input, but no sound.
I'm using line-in on the Creative SB Audigy card, but no luck. Help references to line-in only refer to speech (that I can see, anyway).
Can Creative SB Audigy handle audio input from a VCR or other stero device, or do I need to upgrade my sound card?
Thanks

Line-in accepts an audio line-in signal not a digital stream. You could plug the sound output from your PC into the line-in and record the stream as it is being played but you might as well just do that on the PC and transfer it as the quality will be better.
PB

Audio Line-In Input: Not Reading Sound

So here's my problem:
I tried recording some stuff I was doing in my DAW using Quicktime's Audio Recording option. My understanding is that I simply start a new recording, choose my input device, and start recording (by which I chose "Built-In Input: Line In"). I chose that option thinking, "Oh hey, I obviously want the highest quality sound for a recording so my friends can hear what I'm doing...why not have them hear what I'm hearing in my headphones?" Turns out, after I listened back to the recording....NO SOUND. I triple checked but the audio clip had no sound...just silence. Then, I went to system preferences, checked to make sure the correct Audio Input was selected...yes: "Line In: Audio Line-in port," NOT "internal microphone." Ok...so what now?
Then I went into the AUDIO MIDI SETUP in Utilities to make sure everything was okay there. Everything's fine...except the master volume on my Built-in Input is set to "0." The left and right faders are at a moderate level but the master is simply 0 (and it won't let me adjust it...it's just grayed out). The weird thing is, when I go back to system preferences, I have the Built-In Input level turned up. Why are these two levels different if they're the same input? Is this why I'm getting no sound when trying to record things like: music coming from my DAW, or simple audio tracks on my mac, or other recordings? I should emphasize: I AM hearing sound through my output, BUT I am NOT able to record that sound with a recording device. I've tried multiple things: Line In application, Audacity, restarting comp, changing to audo interface, checking DAW settings, etc. Why is my Line-In Input getting no signal? Thanks guys!
My specs:
http://support.apple.com/kb/sp644

Couple of things to check, you say you have selected line in ok, are you sending an analog signal to the line in port?(It needs to be analog to be seen) If you are, when you open QT, under file click new audio recording, then also click the little white triangle on the upper right and make sure that it is set to line is a well. You need to click the red square to begin recording. Also check the Audio MIDI Set Up is configured as in the 2nd screen shot

Audio line-in shows input, but no audio?

I got a MyFi xm2Go player that I plugged in to my MDD's audio line-in jack with a patch cable (3.5mm to 3.5mm). I can't seem to get it to play through my MDD.
Checked under the Sound preferences. Line In selected for input, and the levels fluctuate like its got the signal. Verified Line Out was still my one option. Played with all the volume sliders. Even plugged headphones into the jack on the base just to make sure it worked, and it does.
I can't get the audio to play through.
What am I missing?
Thanks in advance...

I'm going to change this to "answered" because thanks to this conversation I have found a solution.
Versiontracker has a freeware program called LineIn that bridges this gap. It will let you select your audio in and out and with a click of a button labeled "Pass Thru" it plays any audio input through your audio output.
http://www.versiontracker.com/dyn/moreinfo/macosx/18987
Just like OS X should.
This might be beating a dead horse, but one of the most disappointing things about the migration to OS X was these missing bits of functionality that somehow got lost in translation. I have heard the defense that since OS X is a brand new operating system from the kernel on up it's not a question of having taken something away.
Rubbish.
At the risk of sounding obnoxious, from the end user's standpoint if I go from 9 to 10 I shouldn't be losing any functionality of 9 by going to 10. If 9 had pass through, it's Apple's obligation to build that functionality into 10. If 10 is brand new from the ground up, find a way to recreate that new functionality.
It's clearly possible. I found a third-party non-Apple developer that did it.
The reason I'm ranting is that I shouldn't have had to hunt for this answer or a third-party solution in the first place. This is an obvious need that Apple really should have handled for me. The "pass-through" button should have either been there, or not been necessary because line-in audio would automatically be passed through to the line-out selected.
/rant.
Thanks for the help, everyone. I really do mean that. I am now grooving to satellite radio through my Mac thanks to you folks.

Audio Line-in doesn't work....

When trying to use my audio line in port, i.e. in Logic Express, or using Amplitube, all i get is a popping when i try and select the line in as the audio input instead of the built in mic. Also in Logic Express/Pro i have no record function and i cant seem to get it to recognise the audio in port in that either.
I was running Logic pro and before that express on my emac about 2 months ago and i had no problem, and used the same copy on my iMac...

Hi,
It's been a while since I've used Logic, but to remedy the clicking/popping try increasing the amount and size of Disk Buffers (Process Buffer Range). Also, play around with the Audio Buffers (I/O Buffer Size) or reduce it: particularly if it is already set at 1024 samples. You can find these under Audio Preferences and Drivers - Core Audio in Logic.
The clicking and popping noises when you use the built-in line on your iMac sounds like a lack of RAM. If you're not using a Universal version of Logic then it will use more RAM and Processor time on an Intel-Mac due to having to run through Rosetta. The amount RAM you have and the amount of Audio Buffers the programme can handle are in direct correlation - the more RAM you have, the higher the buffer sample rate you can use.
And to remedy the issue with no record function - you need to set up your Audio In and Out as an Aggregate Device. If you don't know how to do this already:
Go to Macintosh HD/Applications/Utilities and launch Audio MIDI Setup. Once open press ShiftCommandA or go to the audio menu on the start bar. The Aggregate Device window will open and display any devices already created (I assume that there won't be any). Click on the + button just below the top pane to create a new device and the - button to delete a device. Click on Aggregate device in the top pane (if it's not already selected), and in the bottom pane check the use box next to the Audio Devices you wish to include (in this case Built-in Input/Output. Next to each Audio Device the number of in's and out's will say 2 - this is normal as the Built-in In/Output are capable of both Analogue and Digital signals.
Back in Audio MIDI setup you can adjust the properties (bit rates/frequency etc.) for the Aggregate Device. The next time you open Logic the Aggregate device should be visible in the Drivers pane of audio Properties, which you can then choose to use. If not, go to sound in System Preferences and set your default In/Out to Aggregate Device.
Hope that helps.
20" iMac Intel Core 2 Duo 2.16GHz- Hippie Edition/15" MacBook Pro 2.16GHz and PowerMac G5 2.3GHz Duel Core (at work) Mac OS X (10.4.10) Certified MacHead and Jazz fiend.

Audio line in device missing

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